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| Number | Title | Issue Date |
| 8188191 | Polyolefin polymer containing vinyl groups at both ends and composition thereof The present invention is a polyolefin polymer containing vinyl groups at both ends thereof, and a composition and a molded product containing the polymer, wherein the polymer contains a constitutional unit derived from at least one selected from the group consisting... | 05/29/2012 |
| 8097682 | 1-butene propylene copolymer compositions A 1-butene/propylene copolymer composition having a content of propylene derived units from 4 to 10% by weight, wherein at least 50% of the polymer is present in the thermodynamically stable, trigonal form I after 100 hours at room temperature, said composition comp... | 01/17/2012 |
| 8093337 | Thin-layer-covered golf ball with improved velocity Golf balls including cores formed from polybutadiene reaction products having a percent change in dynamic stiffness from 0° C. to −50° C. of less than 130 percent where the reaction products include a resilient polymer component, a crosslinking material, a cis-t... | 01/10/2012 |
| 8058351 | Method for preparing low molecular weight polymers A process for producing low molecular weight polymers, the process comprising partially hydrogenating an unsaturated polymer to form a partially hydrogenated polymer, and reacting the partially hydrogenated polymer with an acyclic alkene in the presence of a metathe... | 11/15/2011 |
| 7868097 | Hybrid polymer and method for production thereof A hybrid polymer has a structure in which a polyolefin segment and a polar polymer segment are connected not via a bonding group containing a heteroatom. A method of the invention produces the hybrid polymer with industrial advantages. The hybrid polymer includes a ... | 01/11/2011 |
| 7868098 | Process for preparing (meth) acrylate-based ABA triblock copolymers The invention relates to a process for preparing (meth)acrylate-based ABA triblock copolymers with an olefinic functionalization of the A blocks. ... | 01/11/2011 |
| 7858707 | Catalytic olefin block copolymers via polymerizable shuttling agent A polymerization process and the resulting polymer composition, said process comprising polymerizing one or more addition polymerizable monomers and a polymerizable shuttling agent in the presence of at least one addition polymerization catalyst comprising a metal c... | 12/28/2010 |
| 7767762 | Methods for forming copolymers comprising olefin and protected or unprotected hydroxystyrene units Novel methods for forming copolymers, including block copolymers, which comprise one or more olefin units and one or more protected or unprotected hydroxystyrene units are provided. ... | 08/03/2010 |
| 7763681 | Process for the preparation of polyalkenyl acylating agents Process for the preparation of polyalkenyl acylating agents which comprises: a. reacting at a temperature higher than 180° C. a reactive polyalkene, having a number average molecular weight Mn ranging from 500 to 5000 and having a... | 07/27/2010 |
| 7662887 | Method of forming polyalkene substituted carboxylic acid compositions The residual chlorine content of a polyolefin-substituted carboxylic acylating agent formed by a halogen-assisted reaction of a polyalkene and at least one olefinic, monounsaturated mono- or dicarboxylic acid, anhydride or ester, is reduced when the reaction is cond... | 02/16/2010 |
| 7655732 | Low compression, resilient golf balls with rubber core A low compression, resilient golf ball having a center including a material formed from the conversion reaction of sufficient amounts of polybutadiene, a free radical source, and a cis-to-trans catalyst to convert a portion of cis-isomer to trans-isomer in the polyb... | 02/02/2010 |
| 7531603 | Thin-layer-covered golf ball with improved velocity Golf balls including centers formed from polybutadiene reaction products having a percent change in dynamic stiffness from 0° C. to −50° C. of less than 130 percent where the reaction products include a resilient polymer component, a crosslinking material, a cis... | 05/12/2009 |
| 7375153 | Zinc stearate-cis-to-trans catalyst blends for improved golf ball core compositions A golf ball including a solid core formed from a composition comprising a diene rubber, a metallic fatty acid salt present in an amount of from 6.3 parts to 7.5 parts, a cis-to-trans catalyst present in an amount of 2.35 parts or greater, and an organic peroxide pre... | 05/20/2008 |
| 7371798 | Thermoplastic water-curable composition, molded object made from the thermoplastic water-curable composition, and process for producing the same A thermoplastic water-curable composition which is excellent in mechanical properties, heat resistance, dimensional stability, and moldability and from which a mechanical part of a complicated shape can be produced: a molding formed from the thermoplastic water-cura... | 05/13/2008 |
| 7368508 | Functional norbornenes and polymeric derivatives and fabrication thereof The present invention relates to novel functional norbornenes as initiators for radical polymerization, its polymer and a process for producing the same. More particularly, the novel functional norbornenes can be selectively polymerized by ring-opening metathesis po... | 05/06/2008 |
| 7358308 | Compositions for use in golf balls A golf ball comprising a core, an outer cover layer, and, optionally, an intermediate layer disposed between the core and the outer cover layer is presently disclosed. At least one layer of the golf ball is formed from a composition comprising a base polymer, a cros... | 04/15/2008 |
| 7339004 | PVC graft copolymer methods and compositions Methods are described for preparing graft copolymers from poly(vinyl chloride) or vinyl chloride copolymers comprising reacting these materials with sources of selected metal-centered free radicals in the presence of one or more monomers that can undergo free-radica... | 03/04/2008 |
| 7335703 | Polyolefin graft copolymer prepared in the presence of coordination polymerization catalyst based on late transition metal complex and method for making the same A novel polyolefin graft copolymer prepared by graft-copolymerizing an olefin monomer with a (meth)acryl macromonomer or an isobutylene macromonomer in the presence of a coordination polymerization catalyst based on a late transition metal complex and a method for m... | 02/26/2008 |
| 7314902 | Hot-melt adhesive The present invention provides a hot-melt adhesive composition comprising a blend of: a reactive filler comprising an aluminum compound, a magnesium compound, a calcium compound, a barium compound or a mixture thereof; and, a grafted polyolefin having a functional g... | 01/01/2008 |
| 7294681 | Mutliple catalyst system for olefin polymerization and polymers produced therefrom This invention relates to a polymer of one or more C3 to C40 olefins, optionally one or more diolefins, and less than 15 mole % of ethylene, and polymerization processes for producing the same. ... | 11/13/2007 |
| 7282540 | Process for producing particles for diagnostic reagent A process of producing particles for diagnostic reagent, including forming a matrix particle by mixing a nuclear particle having a CV value of 20% or less and a magnetic substance containing at least one of Fe2O3 and Fe3O4 | 10/16/2007 |
| 7271222 | Thin-layer-covered golf ball with improved velocity A golf ball comprising a center comprising a polybutadiene having a molecular weight of greater than 200,000 and a resilience index of at least about 40; and a cover layer comprising a polyurethane composition formed from a prepolymer having no greater than 7.5 perc... | 09/18/2007 |
| 7250474 | Physical blends of polyethylenes This invention discloses a process for the preparation of polyethylene resins having a narrow molecular weight distribution that comprises the steps of: (i) providing a first high molecular weight metallocene-produced linear low density polyethylene (mLLDPE) resin h... | 07/31/2007 |
| 7241829 | Exfoliated polyolefin/clay nanocomposites using chain end functionalized polyolefin as the polymeric surfactant Polyolefin/clay nanocomposites with an exfoliated structure are prepared by a process which employs a specific chain end functionalized polyolefin that serves as the clay/polyolefin interfacial compatibilizer (or polymeric surfactant). The polyolefin contains a hydr... | 07/10/2007 |
| 7226979 | Copolymers comprising olefin and protected or unprotected hydroxystyrene units Novel copolymers, including block copolymers, which comprise: (a) a plurality of constitutional units that correspond to one or more olefin monomer species and (b) a plurality of constitutional units that correspond to one or more protected or unprotected hydroxysty... | 06/05/2007 |
| 7223822 | Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom Disclosed is a process for producing branched polymers including at least 50 mol % C3–C40 olefins. The process may include: (1) feeding a first catalyst, an activator, and one or more C2–C40 olefins into a first reacti... | 05/29/2007 |
| 7214745 | Process for producing polymer A process for producing an olefin polymer with high polymerization activity without using an expensive co-catalyst or using a limited amount of the co-catalyst, more particularly a process for producing a high molecular weight (co)polymer with high polymerization ac... | 05/08/2007 |
| 7211537 | Modified aluminum oxy compound, polymerization catalyst and process for producing olefin polymer and alkenyl aromatic hydrocarbon polymer A modified aluminum oxy compound (A) obtained by reacting an aluminum oxy compound (a), water (b) and a compound having a hydroxyl group (c); a polymerization catalyst component comprising the modified aluminum oxy compound; a polymerization catalyst obtained by con... | 05/01/2007 |
| 7205359 | Functional norbornenes as initiators for radical polymerization, their polymeric derivatives and a process for producing the same The present invention relates to novel functional norbornenes as initiators for radical polymerization, its polymer and a process for producing the same. More particularly, the novel functional norbornenes can be selectively polymerized by ring-opening metathesis po... | 04/17/2007 |
| 7195720 | Curable composition for heat conductive material The invention provides a curable composition for a heat conductive material, having an excellent durability, a satisfactory heat conductive property and a high productivity with easily controllable surface tackiness, a heat conductive material obtained from such cur... | 03/27/2007 |
| 7166678 | Rubber composition and vibration damper using the rubber composition A torsional vibration damper or other vibration damping device with a rubber vibration absorbing element. The rubber element is a peroxide-cured composition comprising 100 parts of ethylene-alpha-olefin elastomer, and 20 to 100 parts of substantially isobutylene or ... | 01/23/2007 |
| 7132503 | Removing gelled unsaturated elastomers from polymerization equipment associated with their production A process for removing residual polymer from polymerization equipment by combining a degelling agent, residual polymer, and solvent. ... | 11/07/2006 |
| 7109284 | Olefin polymerization catalyst, process for polymerizing olefins, ethylene polymer obtained by said process and use thereof The present invention provides a novel olefin polymerization catalyst having excellent olefin polymerization activity and, in polymerization with the catalyst comprising a transition metal compound, a polymerization process for preparing a polymer having a low molec... | 09/19/2006 |
| 7105608 | Copolymer of propylene with a conjugated diene and a process of preparing the same The present invention provides a new copolymer of propylene and a conjugated diene having a carbon-carbon double bond in a side chain, wherein a molar ratio of a total of 1,2-adducts and 3,4-adducts to 1,4-adducts, derived from the conjugated diene, is 100:0. The co... | 09/12/2006 |
| 7067587 | Polyolefin macromonomer, graft polymer obtained from the polyolefin macromonomer, and use thereof A novel graft polymer useful in various uses that has a polyolefin backbone having polyolefin segments excellent in moldability can be obtained by homopolymerizing a novel polyolefin macromonomer or polymerizing the novel polyolefin macromonomer in the coexistence o... | 06/27/2006 |
| 7064166 | Process for monomer sequence control in polymerizations The present invention relates to a polymerization process for the control of the microstructure of polymers and to novel copolymers. An embodiment of the present invention relates a process of polymerizing first and second monomers in the presence of a complex compr... | 06/20/2006 |
| 7060327 | Corrosion protective methacrylate adhesives for galvanized steel and other metals Compositions for bonding galvanized surfaces are disclosed. The compositions include either (i) a first part that includes at least one (meth)acrylate component in combination with a free radical inhibitor component and a phosphate ester component and a second part ... | 06/13/2006 |
| 7056983 | Block copolymer Processes for producing an AB block copolymer, an ABA block copolymer or a multiblock copolymer are provided, which comprises adding an alkenyl-containing polymer (I) to a living or to an atom transfer radical polymerization system or a living cationic polymerizatio... | 06/06/2006 |
| 7053125 | Controlled dispersion of colloidal suspension by comb polymers Comb polymers are used as dispersants to increase the stability of colloidal suspensions containing multivalent or high concentrations of monovalent ions. Stabilized colloidal suspensions and methods of forming stabilized colloidal suspensions are described, includi... | 05/30/2006 |
| 7041733 | Controlling particle size in HIPS using metal carboxylates It has been discovered that certain compounds serve as particle size regulators when employed together with peroxide initiators for the polymerization of vinylaromatic monomers in the presence of diene polymers. Suitable compounds that can control particle size incl... | 05/09/2006 |
